Finding the Fourth Proportional to 193,672.17, 267,251.27 and 118,206.09
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Solution
The fourth proportional to 193,672.17, 267,251.27 and 118,206.09 is: 163,114.44
Step by Step Solution
- Step 1: Write the proportion equation
193,672.17 : 267,251.27 = 118,206.09 : x - Step 2: Convert to fraction form
193,672.17/267,251.27 = 118,206.09/x - Step 3: Cross multiply
193,672.17x = 267,251.27 × 118,206.09 - Step 4: Simplify right side
193,672.17x = 31,590,727,083.20 - Step 5: Solve for x
x = 31,590,727,083.20/193,672.17 - Step 6: Final answer
x = 163,114.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.